Table 2.
Selected baseline characteristics by race
| Characteristic | Network 6 Patients, n = 35,346 | Black Patients, n = 20,229 (57.2%) | White Patients, n = 15,117 (42.8%) | P Value for Race Difference | |||
|---|---|---|---|---|---|---|---|
| Distance to transplant facility (mi)a | P < 0.0001 | ||||||
| <20 | 8585 (24.9%) | 5595 (28.3%) | 2990 (20.3%) | ||||
| 20 to 39 | 6939 (20.1%) | 3441 (17.4%) | 3498 (23.7%) | ||||
| 40 to 69 | 7089 (20.5%) | 3908 (19.7%) | 3181 (21.6%) | ||||
| 70 to 99 | 6008 (17.4%) | 3384 (17.1%) | 2624 (17.8%) | ||||
| 100 to 149 | 4124 (11.9%) | 2348 (11.9%) | 1776 (12.0%) | ||||
| ≥150 | 1801 (5.2%) | 1122 (5.7%) | 679 (4.6%) | ||||
| Age (yr) | P < 0.0001 | ||||||
| 20 to 39 | 3624 (10.2%) | 2549 (2.6%) | 1075 (7.1%) | ||||
| 40 to 49 | 4712 (13.3%) | 3274 (16.2%) | 1438 (9.5%) | ||||
| 50 to 59 | 7151 (20.2%) | 4554 (22.5%) | 2597 (17.2%) | ||||
| 60 to 69 | 8587 (24.3%) | 4787 (23.7%) | 3800 (25.1%) | ||||
| ≥70 | 11,272 (32.0%) | 5065 (25.0%) | 6207 (41.2%) | ||||
| Gender | P < 0.0001 | ||||||
| male | 17,675 (50.1%) | 9202 (45.5%) | 8473 (56.1%) | ||||
| female | 17,671 (49.9%) | 11,027 (54.5%) | 6644 (43.9%) | ||||
| State | P < 0.0001 | ||||||
| Georgia | 14,021 (39.7%) | 8276 (40.9%) | 5745 (38.0%) | ||||
| North Carolina | 13,665 (38.7%) | 7287 (36.0%) | 6378 (42.2%) | ||||
| South Carolina | 7,660 (21.7%) | 4666 (23.1%) | 2994 (19.8%) | ||||
| Degree of ruralityz | P < 0.0001 | ||||||
| urban | 22,270 (63.0%) | 12,764 (63.1%) | 9506 (62.9%) | ||||
| large rural | 6958 (19.7%) | 3803 (18.8%) | 3155 (20.9%) | ||||
| small rural | 3910 (11.1%) | 2480 (12.3%) | 1430 (9.5%) | ||||
| small remote rural | 2208 (6.2%) | 1182 (5.8%) | 1026 (6.8%) | ||||
| Neighborhood poverty (% of census tract below poverty line) | P < 0.0001 | ||||||
| 0 to 4.9% (wealthiest) | 2850 (8.3%) | 1032 (5.2%) | 1818 (12.5%) | ||||
| 5 to 9.9% | 7255 (21.1%) | 3233 (16.3%) | 3992 (27.6%) | ||||
| 10 to 14.9% | 6594 (19.2%) | 3147 (15.9%) | 3447 (23.8%) | ||||
| 15 to 19.9% | 6045 (17.6%) | 3623 (18.3%) | 2422 (16.7%) | ||||
| 20 to 24.9% | 4718 (13.8%) | 3261 (16.4%) | 1457 (10.1%) | ||||
| ≥25% (poorest) | 6873 (20.0%) | 5528 (27.9%) | 1345 (9.3%) | ||||
| Body mass index (kg/m2)a | P < 0.0001 | ||||||
| underweight (<18.5) | 2112 (6.2%) | 1253 (6.4%) | 859 (5.9%) | ||||
| normal (18.5 to 24.9) | 12,885 (37.7%) | 6887 (35.4%) | 5998 (40.9%) | ||||
| overweight (25.0 to 29.9) | 9555 (28.0%) | 5399 (27.7%) | 4156 (28.4%) | ||||
| obese (30.0 to 39.9) | 8089 (23.7%) | 4920 (25.3%) | 3169 (21.6%) | ||||
| morbidly obese (>40.0) | 1497 (4.4%) | 1021 (5.2%) | 476 (3.2%) | ||||
| Erythropoietin use (%) | 9246 (26.2%) | 4898 (24.2%) | 4348 (28.8%) | P < 0.0001 | |||
| Mean hemoglobin ± SD (g/dl) | 9.4 ± 4.4 | 9.1 ± 4.5 | 9.8 ± 4.2 | P < 0.0001 | |||
a
Columns do not add up to total population because of missing values (800 patients missing distance, 1208 patients missing body mass index measurements, and 1041 missing poverty information).